.classify{
    width:100%;
    height: 100%;
    overflow: hidden;
    display: flex;
}

.left{
    width:100px;
    height: 100%;
    border-right:1px solid gray;
}

.left span{
    display: block;
    width:100%;
    height:44px;
    line-height: 44px;
    border-bottom:1px solid gray;
    text-align: center;
}

.right{
    flex:1;
    height: 100%;
    overflow: hidden;
}

.right ul{
    width:100%;
    display: flex;
    flex-wrap: wrap;
}

.right li{
    padding:100px 4px;
    border:1px solid gray;
    border-radius: 6px;
    margin:10px;
}